74 Installing System ComponentsCooling FansYour system contains three single-motor fans and provides cooling for theprocessor, expansion card, and memory modules.NOTE: Hot-swap removal or installation of the fans is not supported.NOTE: In the event of a problem with a particular fan, the fan number is referencedby the system’s management software, allowing you to easily identify and replacethe proper fan by noting the fan numbers on the fan assembly.Removing a Cooling FanWARNING: The cooling fan can continue to spin for some time after the systemhas been powered down. Allow time for the fan to stop spinning before removing itfrom the system.WARNING: Do not attempt to operate the system without the cooling fan.CAUTION: Many repairs may only be done by a certified service technician. Youshould only perform troubleshooting and simple repairs as authorized in yourproduct documentation, or as directed by the online or telephone service andsupport team. Damage due to servicing that is not authorized by Dell is not coveredby your warranty. Read and follow the safety instructions that came with theproduct.NOTE: The procedure for removing each individual fan module is the same.1 Turn off the system, including any attached peripherals, and disconnectthe system from its electrical outlet.2 Open the system. See "Opening the System" on page 50.3 If applicable, remove the cooling shroud. See "Removing the CoolingShroud" on page 67.4 Disconnect the fan’s power cable from the system board. See Figure 3-13.5 Grasp the fan and lift it away from the fan assembly. See Figure 3-13.
